Unit 1 Math Review!

Prime and Composite

100

Is the number 35 prime or composite?

Composite

200

Is the number 11 prime or composite?

Prime

300

Is the number 79 prime or composite?

Prime

400

Is the number 52 prime or composite?

Composite

500

How do you know that 24 is a composite number?

There is more than one factor pair.

Multiplication Story Problems

100

John is 9 years old. His cousin is 3 times older than John. How old is John's cousin?

27 years old

200

Jim bought a book and a movie. The movie cost $21.00 and the book cost $3.00. How many times more than the book did the movie cost?

7 times more

300

Jonathan bought a pair of shoes and a backpack. The shoes cost 3 times as much as the backpack. The backpack was $18. How much did the shoes cost?

$54

400

Kelly bought a toy car and a video game. The video game costs $48.00. The toy car cost $6.00. How many more times than the toy car did the video game cost?

8 times more

500

Each of the 3 students at the blue table have 6 markers. The class has 5 times as many markers as the blue table. How many markers total does the whole class have?

90 Markers

Multiplication Fill in the Blank

100

6 x __ = 48

8

200

9 x __ = 63

7

300

12 x __ = 48

4

400

13 x 3 = __

39

500

14 x 4 = __

56

Equations

100

Write an equation to represent this problem:

Sam picked 8 apples from the tree. That is 4 times as many as her friend Jill picked. How many apples did Jill pick?

8 = 4x

200

The equation 8 x 5=40 can mean:

A. 8 apples and 5 apples together are 40

B. 8 pencils divided into 5 groups is 40

C. 40 spiders are 8 times more than the 5 spiders at the black table

C: 40 spiders are 8 times more than the 5 spiders at the black table

300

Write an equation to represent this problem:

Tate has 20 sports cards. That is 4 times as many as his friend Hunter. How many cards does Hunter have?

4 x c = 20

20/c = 4

400

The equation 4 x 7 = 28 can mean?

28 pencils are 7 times more than the 4 erasers on the table.

500

What 2 equations best represents this situation: 

Alyssa has 12 bottles of nail polish. That is 3 times as many as her friend Mel. How many bottles of nail polish does Mel have?

1. 12=3 x n     2. 12x3=n       3. 12-3=n      4. 12/n=3

12 = 3 x n

12/n = 3

Multiples/Factors

100

List all the factors of 24.

1, 2, 3, 4, 6, 8, 12, 24

200

List 3 multiples of 18.

18, 36, 65, 72, 90, 108, etc.

300

List all of the factors of 15.

1, 3, 5, 15

400

List 3 multiples of 21.

21, 42, 63, 84, 105, 210, etc.

500

List all of the factors of 30. 

1, 2, 3, 5, 6, 10, 15, 30